1# SPDX-License-Identifier: GPL-2.0-only 2config EXT2_FS 3 tristate "Second extended fs support (DEPRECATED)" 4 select BUFFER_HEAD 5 select FS_IOMAP 6 select LEGACY_DIRECT_IO 7 help 8 Ext2 is a standard Linux file system for hard disks. 9 10 This filesystem driver is deprecated because it does not properly 11 support inode time stamps beyond 03:14:07 UTC on 19 January 2038. 12 13 Ext2 users are advised to use ext4 driver to access their filesystem. 14 The driver is fully compatible, supports filesystems without journal 15 or extents, and also supports larger time stamps if the filesystem 16 is created with at least 256 byte inodes. 17 18 This code is kept as a simple reference for filesystem developers. 19 20 If unsure, say N. 21 22config EXT2_FS_XATTR 23 bool "Ext2 extended attributes" 24 depends on EXT2_FS 25 help 26 Extended attributes are name:value pairs associated with inodes by 27 the kernel or by users (see the attr(5) manual page for details). 28 29 If unsure, say N. 30 31config EXT2_FS_POSIX_ACL 32 bool "Ext2 POSIX Access Control Lists" 33 depends on EXT2_FS_XATTR 34 select FS_POSIX_ACL 35 help 36 Posix Access Control Lists (ACLs) support permissions for users and 37 groups beyond the owner/group/world scheme. 38 39 If you don't know what Access Control Lists are, say N 40 41config EXT2_FS_SECURITY 42 bool "Ext2 Security Labels" 43 depends on EXT2_FS_XATTR 44 help 45 Security labels support alternative access control models 46 implemented by security modules like SELinux. This option 47 enables an extended attribute handler for file security 48 labels in the ext2 filesystem. 49 50 If you are not using a security module that requires using 51 extended attributes for file security labels, say N. 52